Infrastructure tutorials
Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.
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Linux
System administration, shell scripting, package management
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Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
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Databases
MySQL, PostgreSQL, Redis, backups, replication
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DNS, load balancing, VPN, TCP/IP, routing
DevOps
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Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure advanced SNMP alerting with Prometheus Alertmanager for network monitoring
monitoringImplement Tomcat application monitoring with JMX and Grafana dashboards
monitoringImplement Nginx SSL certificate automation with Let's Encrypt using Certbot
securitySet up centralized logging with Winston and Elasticsearch for Node.js applications
monitoringConfigure GitLab backup automation with GPG encryption
devopsImplement Consul Connect mTLS with Vault PKI backend for secure service mesh communication
Set up mutual TLS authentication for Consul Connect using HashiCorp Vault's PKI backend to secure service-to-service communication with automatic certificate management and rotation.
Set up Nomad multi-node cluster with TLS encryption and Consul integration
Deploy a production-ready HashiCorp Nomad cluster with server and client nodes, TLS encryption, and Consul integration for service discovery. Includes workload deployment and monitoring configuration.
Configure Keycloak high availability clustering for production with load balancing and failover
Set up a production-ready Keycloak cluster with PostgreSQL backend, HAProxy load balancing, and automatic failover to ensure identity services remain available during node failures and high traffic.
Deploy Consul Template for dynamic configuration management with systemd integration
Set up Consul Template to automatically generate configuration files from Consul key-value pairs and service discovery data. This tutorial covers installation, template creation, systemd service configuration, and monitoring setup for production environments.
Setup HAProxy with Docker container backends for dynamic load balancing
Configure HAProxy 2.8 to automatically discover and load balance traffic across Docker containers with health checks, service discovery, and SSL termination for production-grade dynamic routing.
Configure HAProxy advanced routing with ACLs and maps for intelligent traffic management
Set up sophisticated traffic routing in HAProxy using Access Control Lists (ACLs) and map files for dynamic backend selection, SSL SNI routing, and intelligent request distribution based on headers, paths, and custom conditions.
Set up NGINX log analysis and monitoring with Prometheus and Grafana dashboards
Configure comprehensive NGINX monitoring with Prometheus exporters, structured log parsing, and real-time Grafana dashboards for web server observability and performance analysis.
Configure Traefik with Consul service discovery for dynamic load balancing
Set up Traefik 3.1 reverse proxy with Consul service discovery to automatically route traffic to services without manual configuration. Learn dynamic routing, SSL automation, health checks, and monitoring setup for production environments.
Configure HAProxy SSL termination with Let's Encrypt and security headers
Set up HAProxy 2.8 with SSL termination, automatic Let's Encrypt certificates, and security headers for high-performance load balancing with HTTPS offloading and automated certificate renewal.
Configure SonarQube high availability clustering with PostgreSQL and load balancing
Set up enterprise-grade SonarQube clustering with PostgreSQL database replication, multiple application nodes, and HAProxy load balancing for zero-downtime code quality analysis across distributed teams.
Install and configure Squid 6 proxy server with bandwidth controls and content filtering
Set up Squid 6 proxy server with advanced traffic shaping, content filtering, and user authentication. Configure bandwidth limits, access control lists, and comprehensive logging for enterprise proxy deployments.
Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection
Configure HAProxy with ModSecurity 3 using SPOE protocol to create a high-performance web application firewall that protects against OWASP Top 10 threats while maintaining load balancing capabilities.
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